The Motor Trend MT-12V Clear Work Light Replacement Bulb is 12-volt 50-watt bulb and a great option for any portable lamp. This clear bulb gives you the brightest light possible, illuminating even the darkest areas. It is great to use in your home, office, workshop, garage, and anywhere temporary lighting is required. Great for indoor and outdoor use. The UL listing insures that the lights meet or exceed Underwriter Laboratory"s strict manufacturing and safety standards. Trust the brand you buy! Motor Trend has been the nation’s #1 automotive authority for over 60 years.